Sachin Bansal and Binny Bansal founded Flipkart

Ballsy! These two guys first worked for Amazon India -- and then started Flipkart, which wants to be... the Amazon of India. Good luck to them!

Quora founder Charlie Cheever worked at Amazon before Facebook

Charlie Cheever

Quora is super-hot in Silicon Valley because both of its founders were stars at Facebook before founding the company. But before Facebook, co-founder Charlie Cheever worked at Amazon.

Hulu CEO Jason Kilar is also an Amazon alum

Business Insider

Although we're not sure Hulu CEO Jason Kilar is technically a "co-founder" of the company, which is a joint venture between media companies, it's certainly an entrepreneurial job fraught with risk, so we're including him here anyway. Kilar cut his teeth at Amazon where he worked for a decade, last as nothing less than General Manager of North America.